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Production of Vaterite Type Calcium Carbonate by using Oyster Shell Waste with Lysine
- Authors
- Bak, Young-Cheol
- Issue Date
- Feb-2021
- Publisher
- 한국화학공학회
- Keywords
- Oyster shell; Lysine; Calcium carbonate; Vaterite; CaCO3
- Citation
- Korean Chemical Engineering Research(HWAHAK KONGHAK), v.59, no.1, pp 118 - 126
- Pages
- 9
- Indexed
- SCOPUS
ESCI
KCI
- Journal Title
- Korean Chemical Engineering Research(HWAHAK KONGHAK)
- Volume
- 59
- Number
- 1
- Start Page
- 118
- End Page
- 126
- ISSN
- 0304-128X
2233-9558
- Abstract
- The experiments to produce the vaterite type calcium carbonate were conducted for using the waste oyster shell as the recycling resources. Firstly, the oyster shell were calcinated at 800 degrees C for 24 h. Calcinated oyster shell were reacted with the nitric acid solution, and were diluted to 0.1 M Ca(NO3)(2) solution. This solution was mixed with 0.1 M Na2CO3 contained 0.1 mol lysine/1 mol CaO at 20 degrees C and 600 rpm mixing condition for 1 h. The reaction products were identified to vaterite type calcium carbonate (84.5% vaterite, 15.5% calcite) by XRD and SEM analysis. Mean particle diameter was 6.87 mu m, and the lysine content in calcium carbonate was analyzed to 0.1%.
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